Godan verb with 'ru' ending, Intransitive verb
to groan; to moan
なにやら唸りながら、ほとばしるパッションをキャンバスにぶつけている！Groaning strangely she is hurling her overflowing passion onto the canvas! to roar; to howl; to growl
to hum (engine, wind, etc.); to buzz; to whiz; to sough; to make a low, dull sound
to ooh and aah (in admiration)
Godan verb with 'ru' ending, Transitive verb
to sing in a strong, low voice (esp. traditional chant or recitation)
Godan verb with 'ru' ending, Intransitive verb
to be about to burst; to overflow
Also written 呻る【うなる】